Clock



FIG. 1 is a front elevational view of a clock showing our new design, the rear being substantially flat, plain and unornamented;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image thereto;

FIG. 3 is a top plan view thereof;

FIG. 4 is a sectional view taken substantially along the line 4--4 of FIG. 1; and

FIG. 5 is a sectional view taken substantially along line 5--5 of FIG. 1. 

The ornamental design for a clock, as shown and described. 